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Method and apparatus for converting hydrocarbons into olefins
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A technology for ethylene and products, which is applied in the field of converting hydrocarbons into olefins and devices, can solve the problem that the reverse flow reactor is not taught, etc.
Inactive Publication Date: 2013-09-18
EXXONMOBIL CHEM PAT INC
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As such, the use of counterflow reactors was not taught to be possible for various reasons
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[0072]In block 202, a hydrocarbon feedstock is provided. As noted above, the hydrocarbon feedstock may include one or more of methane, natural gas, petroleum or petrochemical liquids, mixtures thereof, or other suitable hydrocarbon feedstocks as described above. In block 204, the hydrocarbon feedstock may be subjected to various feedstock preparation processes to form a pyrolysis feedstock or may be provided directly to a thermal pyrolysis reactor as a pyrolysis feedstock. That is, the pyrolysis feedstock can be derived from a hydrocarbon feedstock. For example, the feedstock preparation process optionally includes the removal of impurities or contaminants prior to cracking. The feedstock preparation process may include mixing a hydrocarbon feedstock with a diluent feedstock. Feedstock preparation processes may include one or more condensate and water removal units, acid gasremoval units (e.g. caustic or amine treater units), dehydration units (e.g. glycol units), nitrogen ...
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Abstract
An apparatus and method are provided for processinghydrocarbon feeds. The method may pass a pyrolysis feed to a thermal pyrolysis reactor and expose at least a portion of the pyrolysis feed to high-severity operating conditions in a thermal pyrolysis reactor, wherein the thermal pyrolysis reactor is operated at operating conditions that include pressure >= 36 psig and provide a reactor product that has a C3 + to C2 unsaturate weight ratio <= 0.5.
Description
[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Application Serial No. 61 / 434,411, filed January 19, 2011; European Application No. 11160759.4, filed March 31, 2011; U.S. Provisional Application Serial No. 61, filed January 19, 2011 / 434,417; U.S. Provisional Application Serial No. 61 / 434,409, filed January 19, 2011; U.S. Provisional Application Serial No. 61 / 434,413, filed January 19, 2011; U.S. Provisional Application, filed January 19, 2011 Serial No. 61 / 434,410; U.S. Provisional Application Serial No. 61 / 434,415 filed January 19, 2011; U.S. Provisional Application Serial No. 61 / 434,419 filed January 19, 2011; filed May 3, 2011 U.S. Provisional Application Serial No. 61 / 481,999; U.S. Provisional Application Serial No. 61 / 500,854, filed June 24, 2011; and U.S. Provisional Application Serial No. 61 / 504,611, filed July 5, 2011 , the contents of each of which are hereby incorporated by reference in their entirety. technical fie...
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